Home / 1,243,008.70-1,863,528.90-682,043.20

Finding the Fourth Proportional to 1,243,008.70, 1,863,528.90 and 682,043.20

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Solution

The fourth proportional to 1,243,008.70, 1,863,528.90 and 682,043.20 is: 1,022,524.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,008.70 : 1,863,528.90 = 682,043.20 : x
  2. Step 2: Convert to fraction form
    1,243,008.70/1,863,528.90 = 682,043.20/x
  3. Step 3: Cross multiply
    1,243,008.70x = 1,863,528.90 × 682,043.20
  4. Step 4: Simplify right side
    1,243,008.70x = 1,271,007,214,248.48
  5. Step 5: Solve for x
    x = 1,271,007,214,248.48/1,243,008.70
  6. Step 6: Final answer
    x = 1,022,524.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.